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ceph: No mds server is up or the cluster is laggy
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lockdep bfs error:-1
WARNING: CPU: 1 PID: 9055 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071
Modules linked in:
CPU: 1 PID: 9055 Comm: syz-executor414 Not tainted 6.8.0-syzkaller-00711-g045395d86acd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071
Code: 90 90 90 90 90 90 55 53 89 fb e8 d7 a9 22 03 89 c5 e8 80 1b ff ff 85 ed 74 14 90 48 c7 c7 80 cd aa 8b 89 de e8 4d 7d e5 ff 90 <0f> 0b 90 90 5b 5d c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000e4de9e8 EFLAGS: 00010046
RAX: 7a3edd3c7f869300 RBX: 00000000ffffffff RCX: ffff888011179e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81577752 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: dffffc0000000001
R13: ffffffff93d82ee8 R14: ffffffff92952380 R15: ffffffff93d83268
FS:  00007f2cd1d4d6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffbbd039f0 CR3: 000000002a3d8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_irq_usage kernel/locking/lockdep.c:2806 [inline]
 check_prev_add kernel/locking/lockdep.c:3138 [inline]
 check_prevs_add kernel/locking/lockdep.c:3253 [inline]
 validate_chain+0x47dd/0x58e0 kernel/locking/lockdep.c:3869
 __lock_acquire+0x1345/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 do_write_seqcount_begin_nested include/linux/seqlock.h:469 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:495 [inline]
 psi_account_irqtime+0x1b2/0x5d0 kernel/sched/psi.c:1016
 update_rq_clock_task kernel/sched/core.c:726 [inline]
 update_rq_clock+0x22b/0x8a0 kernel/sched/core.c:770
 ttwu_queue kernel/sched/core.c:4058 [inline]
 try_to_wake_up+0x871/0x1470 kernel/sched/core.c:4380
 swake_up_locked kernel/sched/swait.c:29 [inline]
 swake_up_one+0x70/0x160 kernel/sched/swait.c:52
 rcu_report_exp_rdp kernel/rcu/tree_exp.h:260 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x22e/0xc70 kernel/rcu/tree_plugin.h:506
 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:607 [inline]
 rcu_note_context_switch+0x261/0xff0 kernel/rcu/tree_plugin.h:344
 __schedule+0x345/0x49a0 kernel/sched/core.c:6637
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7060
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:348
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x25a/0x530 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 14 2b 81 00 f6 44 24 61 02 0f 85 8e 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000e4df840 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92001c9bf14 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8baac7a0 RDI: ffffffff8bfda7e0
RBP: ffffc9000e4df988 R08: ffffffff93cfde97 R09: 1ffffffff279fbd2
R10: dffffc0000000000 R11: fffffbfff279fbd3 R12: 1ffff92001c9bf10
R13: dffffc0000000000 R14: ffffc9000e4df8a0 R15: 0000000000000246
 touch_wq_lockdep_map kernel/workqueue.c:3901 [inline]
 __flush_workqueue+0x1c9/0x1710 kernel/workqueue.c:3943
 drain_workqueue+0xc9/0x3a0 kernel/workqueue.c:4107
 destroy_workqueue+0xba/0xc40 kernel/workqueue.c:5673
 ceph_osdc_stop+0x44/0x3a0 net/ceph/osd_client.c:5319
 ceph_destroy_client+0x68/0x130 net/ceph/ceph_common.c:767
 destroy_fs_client+0x192/0x270 fs/ceph/super.c:899
 deactivate_locked_super+0xc4/0x130 fs/super.c:472
 ceph_get_tree+0x9a9/0x17b0 fs/ceph/super.c:1361
 vfs_get_tree+0x90/0x2a0 fs/super.c:1779
 vfs_cmd_create+0xe4/0x230 fs/fsopen.c:230
 __do_sys_fsconfig fs/fsopen.c:476 [inline]
 __se_sys_fsconfig+0x967/0xec0 fs/fsopen.c:349
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f2cd1d8c419
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2cd1d4d238 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007f2cd1e16328 RCX: 00007f2cd1d8c419
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003
RBP: 00007f2cd1e16320 R08: 0000000000000000 R09: 00007f2cd1d4d6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2cd1de3074
R13: 0000000000000000 R14: 00007fffbbcaf4f0 R15: 00007fffbbcaf5d8
 </TASK>
----------------
Code disassembly (best guess):
   0:	2b 00                	sub    (%rax),%eax
   2:	74 08                	je     0xc
   4:	4c 89 f7             	mov    %r14,%rdi
   7:	e8 14 2b 81 00       	call   0x812b20
   c:	f6 44 24 61 02       	testb  $0x2,0x61(%rsp)
  11:	0f 85 8e 01 00 00    	jne    0x1a5
  17:	41 f7 c7 00 02 00 00 	test   $0x200,%r15d
  1e:	74 01                	je     0x21
  20:	fb                   	sti
  21:	48 c7 44 24 40 0e 36 	movq   $0x45e0360e,0x40(%rsp)
  28:	e0 45
* 2a:	4b c7 44 25 00 00 00 	movq   $0x0,0x0(%r13,%r12,1) <-- trapping instruction
  31:	00 00
  33:	43 c7 44 25 09 00 00 	movl   $0x0,0x9(%r13,%r12,1)
  3a:	00 00
  3c:	43                   	rex.XB
  3d:	c7                   	.byte 0xc7
  3e:	44                   	rex.R
  3f:	25                   	.byte 0x25